The Earth is Not a Bonding Jumper
Jan 1, 2001, By Mark Lamendola
A clear understanding of grounding and bonding is essential to the safety of your co-workers as well as the reliability of your equipment.During its first...
Wiring a Showcase Planetarium
Dec 1, 2000, By Joe Knisley
Supporting lighting and interactive displays in this state-of-the-art renovation, 1.2 million feet of power and low-voltage control wiring bring to life...
Wiring Methods for Industrial Machinery
Dec 1, 2000, By James Stallcup
Because every type of machine has unique requirements for wiring methods, operator safety depends on your understanding the differences between rules...
Working in Obscurity or Getting No Respect
Nov 1, 2000, By Michael Eby
Standards development: It's a thankless job, but somebody's got to do it. You travel out of town several times a year to spend countless hours away from...
How to Select Motors for Hazardous Locations
Nov 1, 2000, By Edward Cowern
Selecting a motor for a location where potentially explosive gases or vapors are present as a normal part of a manufacturing process can be a daunting...
Addressing High-Energy Costs with PVs
Nov 1, 2000, By EC&M Staff
From small calculators to powering communications equipment, converting sunlight directly into electrical energy is now common practice. After decades...
Remodeling a High-Capacity Energy Trading Network
Nov 1, 2000, By Joseph R. Knisley
Critical commodity trades ride on copper and fiber cabling supported by reliable power systems. With more than 800 clients, including virtually every...
Technical Drawing Software: A Bridge to the Future
Oct 1, 2000, By Chuck Spink
New demands on the type of work you do require new types of drawings. Depending on what your goals are, you could benefit from a new type of drawing software....
Ethics in Electrical Design
Oct 1, 2000, By Dale Rummer
Don't let outside pressures corrupt your professional obligations. A lapse in judgment can lead to grave repercussions....
Using AC Coils on DC Power
Oct 1, 2000, By John DeDad
Here's an alternative to rewinding AC coils for operation on DC circuits. It's relatively simple - all it takes are a few calculations and a little bench testing....
The Hot Issue of Motor Temperature Ratings
Sep 1, 2000, By Ed Cowern
When you specify a motor, how do you know it can take the heat?...
Lead-Acid and the Environment: a Battery of Concerns
Sep 1, 2000, By William Foist
Battery storage can present serious environmental problems and safety concerns. How you deal with them has a direct impact on your company's bottom line....
Superconductor-Based Solution for Power Reliability
Sep 1, 2000, By EC&M Staff
American Superconductor, Westborough, Mass., and Wisconsin Public Service Corp., (WPS) Green Bay, Wis., recently announced that the world's first commercial...
Right-Sized Motors Make a Difference
Aug 1, 2000, By EC&M Staff
Motors can use up to several times their purchase price in energy every year. In fact, motors can account for up to 45% of the electricity costs of a...
Switching the Neutral: What's the Controversy?
Aug 1, 2000, By Paul McMorrow
Which method is best for switching the neutral: 3-pole transfer switches with overlapping neutral contacts or 4-pole switches? The answer may surprise you....
Controlling EMI Noise Problems
Aug 1, 2000, By Stan Turkel
Ever wonder why your laptop computer, handheld data device, or even pocket calculator has that FCC compliance label on the back? It reads something like...
Time to Rethink Power Monitoring
Jul 1, 2000, By Bart Cotton
A new breed of data center is turning power monitoring upside down. If you haven't already worked in an Internet data center, chances are you will soon....
The Key to Figuring the Right Frame Size
Jul 1, 2000, By Ed Cowern, P.E.
To have confidence you are ordering the right motor for your specific application, you must understand motor frame designations....
Is Power System Assurance a Myth?
Jul 1, 2000, By William P. Mazzeti, Jr., P.E.
Nothing guarantees end-to-end power system assurance for critical power loads. However, criteria and good practice can raise your chances of success....
Winning Customers in Competitive Energy Markets
Jul 1, 2000, By EC&M Staff
What types of services do Americans value most? At least half of American electricity consumers are willing to pay 30% to 40% more for electricity. A...
